Excellent book with a great mystery and lots of ghosts, although these ghosts are not really the cliche'd ghosts of books, as the author treats them as corporeal people, not at all scary. There are two mysteries here: one concerning a living person and one about the fate of the protagonist's fathe...
I'm ready for the next. I want more. Those may be simple sentences, but they say it all. The series lead is relatable, fully formed , and grounded. The same is true of all the other characters, the living and the ghostly. The plot is solid, heartfelt, and humorous.